Calculate the Pulmonary Shunt Fraction Using the Following Data: Pb

question 16

Multiple Choice

Calculate the pulmonary shunt fraction using the following data: Pb = 757 mm Hg; hemoglobin (Hb) = 11 g/dL; FɪO₂ = 0.5; PₐO₂ = 86 mm Hg; PₐCO₂ = 40 mm Hg; SₐO₂ = 91%; = 40 mm Hg; = 71%; respiratory exchange quotient (R) = 0.8.

• A) 19%
• B) 23%
• C) 26%
• D) 32%

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